# AD 82-26-03: Manifold Assembly

- Type: Airworthiness directive
- Status: Current
- Products: Pratt & Whitney Division JT9D-7, JT9D-7A, JT9D-7AH, JT9D-7F, JT9D-7H and JT9D-7J
- Effective: January 27, 1983
- Superseded by: Nothing supersedes this AD
- Product type: Engine
- Amendment: 39-4523
- Registered aircraft: 14 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/51F4035FF46F6F558625685F0070644D.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/82-26-03

## The airworthiness directive

82-26-03 PRATT & WHITNEY AIRCRAFT: Amendment 39-4523. Applies to Pratt & Whitney Aircraft models.

JT9D-7, -7H, -7A, -7AH Engines prior to and including S/N 695827. JT9D-7F Engine S/Ns 695600 through 695614, S/N 702000, S/N 702001, S/N 702550 through 702557 and all engines prior to and including S/N 689635. JT9D-7J Engines prior to S/N 701697.

NOTE: This directive does not apply to JT9D engines obtained by conversion which do not incorporate Service Bulletin 3741.

Compliance required prior to February 27, 1983, unless already accomplished.

To prevent fuel signal manifold cracking in operation replace manifold assembly P/N 711391 with assembly P/N 783391, bracket P/N 5003038-01, and clamp P/N ST1104-06 in accordance with Pratt & Whitney Aircraft Service Bulletin Number 5202, Revision 2, dated August 16, 1982, or later revision approved by the Manager, Engine Certification Branch, New England Region.

All persons affected by this directive who have notalready received the referenced service bulletin from the manufacturer may obtain copies upon request to Pratt & Whitney Aircraft, Division of United Technologies Corporation, 400 Main Street, East Hartford, Connecticut 06108. This document may also be examined at FAA, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803. A historical file on this AD which includes the material in full is maintained by the FAA at the New England Region office.

This amendment becomes effective on January 27, 1983.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS E20EA](https://openairdocs.org/tcds/E20EA): Pratt & Whitney; names 6 of 9 models: JT9D-7, JT9D-7AH, JT9D-7J, JT9D-7F, JT9D-7A, JT9D-7H

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 14 (0 by airframe model, 14 by engine model)
- Makers: Boeing 10, Airbus Industrie 2, Douglas 1, Mcdonnell Douglas 1

Models with the most aircraft:

- [Pratt & Whitney JT9D series](https://openairdocs.org/engine/pratt-whitney-jt9d-series): 13 aircraft (engine model)
- [Pratt & Whitney JT9D-7](https://openairdocs.org/engine/pratt-whitney-jt9d-7): 1 aircraft (engine model)

All 2 models: https://openairdocs.org/ad/82-26-03/models.md
Every aircraft: https://openairdocs.org/ad/82-26-03/aircraft.md

Its text cites no advisory circulars or STCs.

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